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1420423000 = 235311711213
BaseRepresentation
bin101010010101001…
…1110111101011000
310122222202222001021
41110222132331120
510402112014000
6352540332224
750125252633
oct12452367530
93588688037
101420423000
11669878907
12337844074
1319837c5a9
14d690ac1a
1584a7b11a
hex54a9ef58

1420423000 has 64 divisors (see below), whose sum is σ = 3329370720. Its totient is φ = 567216000.

The previous prime is 1420422979. The next prime is 1420423013. The reversal of 1420423000 is 3240241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170394 + ... + 1171606.

Almost surely, 21420423000 is an apocalyptic number.

1420423000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664685360).

1420423000 is an abundant number, since it is smaller than the sum of its proper divisors (1908947720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420423000 is a wasteful number, since it uses less digits than its factorization.

1420423000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405 (or 2391 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1420423000 is about 37688.4995721507. The cubic root of 1420423000 is about 1124.1024610775.

Adding to 1420423000 its reverse (3240241), we get a palindrome (1423663241).

The spelling of 1420423000 in words is "one billion, four hundred twenty million, four hundred twenty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 1171 1213 2342 2426 4684 4852 5855 6065 9368 9704 11710 12130 23420 24260 29275 30325 46840 48520 58550 60650 117100 121300 146375 151625 234200 242600 292750 303250 585500 606500 1171000 1213000 1420423 2840846 5681692 7102115 11363384 14204230 28408460 35510575 56816920 71021150 142042300 177552875 284084600 355105750 710211500 1420423000